(CNN) -- Boxing idol Manny Pacquiao returned to the Philippines early Friday despite a request from Manila that he delay his hero's return as a precaution against the spread of swine flu from the United States.

Pacquiao, often considered the best pound-for-pound boxer in the world, cemented his reputation Saturday night when he knocked out British boxer Ricky Hatton in the second round of a match in Las Vegas, Nevada.

A low-key welcome that included three of his four children greeted the 30-year-old boxer at Manila International Airport.

A homecoming parade initially planned for Friday has been moved by the Philippine government to Monday, which President Gloria Macapagal-Arroyo declared "Manny Day."

Pacquiao, dubbed "Pacman" by fans, spoke briefly to reporters, telling them he felt safer from the swine flu in the Philippines, where there have been no reported cases of the disease, than he did in the United States, where nearly 900 cases have been confirmed.Manny's low-key homecoming

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On Wednesday, Philippine Health Secretary Francisco Duque asked the boxer to go into "self-quarantine" either in Los Angeles, where he was after the Las Vegas fight, or in Manila. Watch Pacquiao's arrival in Manila »

Pacquiao returned to Manila, but did not go into quarantine, although the large public celebration was delayed.